In different-colored letters, the top of each shoe spells out the boy's name. "Milan's feet!" Piqué wrote for those who hadn't figured it out yet.

The new Voice coach revealed her baby's birth in a tweet and a statement on her website.

"The name Milan (pronounced MEE-lahn), means dear, loving and gracious in Slavic; in Ancient Roman, eager and laborious; and in Sanskrit, unification," it read.

"Just like his father, baby Milan became a member of FC Barcelona at birth. The hospital confirmed that the couple's first child weighed approximately 6 pounds, 6 ounces, and that both mother and child are in excellent health."

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